make-test showed pass for both tests.
However, it is not appearing in grc. Instead when I use gnuradio-companion command it shows following in the terminal:
address@hidden mygn]$ gnuradio-companion
** (process:5765): WARNING **: Trying to register gtype 'GMountMountFlags' as enum when in fact it is of type 'GFlags'
** (process:5765): WARNING **: Trying to register gtype 'GDriveStartFlags' as enum when in fact it is of type 'GFlags'
** (process:5765): WARNING **: Trying to register gtype 'GSocketMsgFlags' as enum when in fact it is of type 'GFlags'
Warning: Block validation failed:
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:1:0:ERROR:VALID:DTD_NOT_PCDATA: Element block was declared #PCDATA but contains non text nodes
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:2:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element category
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:3:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element import
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:4:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element make
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:6:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element key
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:7:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element sink
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:9:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element type
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:10:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element nports
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:12:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element source
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:14:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element type
/usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml:15:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element nports
Ignoring: /usr/local/share/gnuradio/grc/blocks/howto_square2_ff.xml
Warning: Block validation failed:
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:1:0:ERROR:VALID:DTD_NOT_PCDATA: Element block was declared #PCDATA but contains non text nodes
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:2:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element category
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:3:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element import
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:4:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element make
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:6:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element key
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:7:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element sink
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:9:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element type
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:10:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element nports
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:12:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element source
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:14:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element type
/usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml:15:0:ERROR:VALID:DTD_UNKNOWN_ELEM: No declaration for element nports
Ignoring: /usr/local/share/gnuradio/grc/blocks/howto_square_ff.xml
linux; GNU C++ version 4.7.2 20120921 (Red Hat 4.7.2-2); Boost_104800; UHD_003.005.000-26-gb65a3924
<<< Welcome to GNU Radio Companion v3.6.3-6-gca407436 >>>
Loading: "/home/ehsan/mygn/Ssb.grc"
To check my module.